Provide replacement mkstemp(3) implementation for Windows

CMakeLists.txt

@@ -345,15 +345,20 @@ if(HAVE_UNISTD_H)
 endif()
 
 
-# Check for missing functions: fgetln(3) is in 4.4BSD; realpath(3) is
-# in 4.4BSD, POSIX.1-2001; regcomp(3) is in POSIX.1-2001,
-# POSIX.1-2008.
+# Check for missing functions: fgetln(3) is in 4.4BSD; mkstemp(3) is
+# in 4.3BSD, POSIX.1-2001; realpath(3) is in 4.4BSD, POSIX.1-2001;
+# regex(3) is in POSIX.1-2001, POSIX.1-2008.
 include(CheckSymbolExists)
 check_symbol_exists(fgetln "stdio.h" HAVE_FGETLN)
 if(HAVE_FGETLN)
   add_compile_definitions("HAVE_FGETLN")
 endif()
 
+check_symbol_exists(mkstemp "stdlib.h" HAVE_MKSTEMP)
+if(HAVE_MKSTEMP)
+  add_compile_definitions("HAVE_MKSTEMP")
+endif()
+
 check_symbol_exists(realpath "stdlib.h" HAVE_REALPATH)
 if(HAVE_REALPATH)
   add_compile_definitions("HAVE_REALPATH")
@@ -1116,6 +1121,10 @@ add_executable(cbf2nexus
   "${CBF__EXAMPLES}/cbf2nexus.c")
 target_link_libraries(cbf2nexus
   cbf)
+if(NOT HAVE_MKSTEMP)
+  target_sources(cbf2nexus
+    PRIVATE "${CBF__SRC}/mkstemp.c")
+endif()
 
 add_executable(nexus2cbf
   "${CBF__EXAMPLES}/nexus2cbf.c")
@@ -1127,6 +1136,10 @@ add_executable(minicbf2nexus
   "${CBF__EXAMPLES}/minicbf2nexus.c")
 target_link_libraries(minicbf2nexus
   cbf)
+if(NOT HAVE_MKSTEMP)
+  target_sources(minicbf2nexus
+    PRIVATE "${CBF__SRC}/mkstemp.c")
+endif()
 
 add_executable(adscimg2cbf
   "${CBF__EXAMPLES}/adscimg2cbf.c"
@@ -1149,11 +1162,19 @@ add_executable(convert_image
   "${CBF__EXAMPLES}/convert_image.c")
 target_link_libraries(convert_image
   cbf)
+if(NOT HAVE_MKSTEMP)
+  target_sources(convert_image
+    PRIVATE "${CBF__SRC}/mkstemp.c")
+endif()
 
 add_executable(convert_minicbf
   "${CBF__EXAMPLES}/convert_minicbf.c")
 target_link_libraries(convert_minicbf
   cbf)
+if(NOT HAVE_MKSTEMP)
+  target_sources(convert_minicbf
+    PRIVATE "${CBF__SRC}/mkstemp.c")
+endif()
 
 add_executable(makecbf
   "${CBF__EXAMPLES}/makecbf.c")
@@ -1190,13 +1211,30 @@ add_executable(img2cif
   "${CBF__EXAMPLES}/img2cif.c")
 target_link_libraries(img2cif
   cbf)
+if(NOT HAVE_MKSTEMP)
+  target_sources(img2cif
+    PRIVATE "${CBF__SRC}/mkstemp.c")
+endif()
+
+add_executable(cif2c
+  "${CBF__EXAMPLES}/cif2c.c")
+target_link_libraries(cif2c
+  cbf)
+if(NOT HAVE_MKSTEMP)
+  target_sources(cif2c
+    PRIVATE "${CBF__SRC}/mkstemp.c")
+endif()
 
 add_executable(cif2cbf
   "${CBF__EXAMPLES}/cif2cbf.c")
 target_link_libraries(cif2cbf
   cbf
   CQR
   "${libm}")
+if(NOT HAVE_MKSTEMP)
+  target_sources(cif2cbf
+    PRIVATE "${CBF__SRC}/mkstemp.c")
+endif()
 
 add_executable(cbf_template_t
   "${CBF__DECTRIS_EXAMPLES}/cbf_template_t.c")
@@ -1224,6 +1262,10 @@ add_executable(sequence_match
   "${CBF__EXAMPLES}/sequence_match.c")
 target_link_libraries(sequence_match
   cbf)
+if(NOT HAVE_MKSTEMP)
+  target_sources(sequence_match
+    PRIVATE "${CBF__SRC}/mkstemp.c")
+endif()
 
 add_executable(test_cbf_airy_disk
   "${CBF__EXAMPLES}/test_cbf_airy_disk.c")

Makefile

@@ -731,9 +731,9 @@ endif
 CC	= gcc
 C++	= g++
 ifneq ($(CBFDEBUG),)
-CFLAGS  = -g -O0 -Wall -D_USE_XOPEN_EXTENDED -fno-strict-aliasing -DHAVE_REALPATH -DCBFDEBUG=1 -DHAVE_UNISTD_H $(HDF5CFLAGS)
+CFLAGS  = -g -O0 -Wall -D_USE_XOPEN_EXTENDED -fno-strict-aliasing -DCBFDEBUG=1 -DHAVE_MKSTEMP -DHAVE_REALPATH -DHAVE_UNISTD_H $(HDF5CFLAGS)
 else
-CFLAGS  = -g -O3 -Wall -D_USE_XOPEN_EXTENDED -fno-strict-aliasing -DHAVE_REALPATH -DHAVE_UNISTD_H $(HDF5CFLAGS)
+CFLAGS  = -g -O3 -Wall -D_USE_XOPEN_EXTENDED -fno-strict-aliasing -DHAVE_MKSTEMP -DHAVE_REALPATH -DHAVE_UNISTD_H $(HDF5CFLAGS)
 endif
 LDFLAGS =
 F90C = gfortran

Makefile_LINUX

@@ -730,7 +730,7 @@ endif
 #########################################################
 CC	= gcc
 C++	= g++
-CFLAGS  = -g -O2 -Wall -D_USE_XOPEN_EXTENDED -fno-strict-aliasing -DHAVE_REALPATH -DHAVE_UNISTD_H $(HDF5CFLAGS)
+CFLAGS  = -g -O2 -Wall -D_USE_XOPEN_EXTENDED -fno-strict-aliasing -DHAVE_MKSTEMP -DHAVE_REALPATH -DHAVE_UNISTD_H $(HDF5CFLAGS)
 LDFLAGS =
 F90C = gfortran
 #F90FLAGS = -g -fno-range-check -fallow-invalid-boz

Makefile_MSYS2

@@ -731,8 +731,8 @@ endif
 CC	= gcc
 C++	= g++
 CFLAGS  = -g -O2 -Wall -D_USE_XOPEN_EXTENDED -DH5_HAVE_WIN32_API \
-  -DH5_HAVE_MINGW -DH5_USE_110_API -fno-strict-aliasing -DHAVE_UNISTD_H \
-  $(HDF5CFLAGS)
+  -DH5_HAVE_MINGW -DH5_USE_110_API -fno-strict-aliasing -DHAVE_MKSTEMP \
+  -DHAVE_UNISTD_H $(HDF5CFLAGS)
 LDFLAGS =
 F90C = gfortran
 #F90FLAGS = -g -fno-range-check -fallow-invalid-boz

Makefile_OSX

@@ -730,7 +730,7 @@ endif
 #########################################################
 CC	= gcc
 C++	= g++
-CFLAGS  = -g -O2 -Wall -std=c99 -pedantic -DHAVE_REALPATH -DHAVE_UNISTD_H $(HDF5CFLAGS)
+CFLAGS  = -g -O2 -Wall -std=c99 -pedantic -DHAVE_MKSTEMP -DHAVE_REALPATH -DHAVE_UNISTD_H $(HDF5CFLAGS)
 LDFLAGS =
 F90C = gfortran
 #F90FLAGS = -g -fno-range-check -fallow-invalid-boz

examples/cbf2nexus.c

@@ -259,9 +259,10 @@
 
 #define C2CBUFSIZ 8192
 
-#ifdef __MINGW32__
-#define NOMKSTEMP
-#define NOTMPDIR
+#ifndef HAVE_MKSTEMP
+#define mkstemp _cbf_mkstemp
+int
+_cbf_mkstemp(char *templ);
 #endif
 
 int local_exit (int status);
@@ -650,34 +651,20 @@ int main (int argc, char *argv [])
 
         for (f = 0; CBF_SUCCESS == error && f != cifid; ++f) {
 			cbf_handle cif = NULL;
-#ifdef NOTMPDIR
-			char ciftmp[] = "cif2cbfXXXXXX";
-#else
 			char ciftmp[] = "/tmp/cif2cbfXXXXXX";
     		int ciftmpfd;
-#endif
 			/* Get suitable file - reading from stdin to a temporary file if needed */
 			if (!(cifin[f]) || strcmp(cifin[f]?cifin[f]:"","-") == 0) {
 				FILE *file = NULL;
 				int nbytes;
 				char buf[C2CBUFSIZ];
-#ifdef NOMKSTEMP
-				if (mktemp(ciftmp) == NULL ) {
-                    fprintf(stderr,"%s: Can't create temporary file name %s.\n%s\n", argv[0], ciftmp,strerror(errno));
-					error |= CBF_FILEOPEN;
-				} else if ((file = fopen(ciftmp,"wb+")) == NULL) {
-                    fprintf(stderr,"Can't open temporary file %s.\n%s\n", ciftmp,strerror(errno));
-					error |= CBF_FILEOPEN;
-                }
-#else
                 if ((ciftmpfd = mkstemp(ciftmp)) == -1 ) {
                     fprintf(stderr,"%s: Can't create temporary file %s.\n%s\n", argv[0], ciftmp,strerror(errno));
 					error |= CBF_FILEOPEN;
 				} else if ((file = fdopen(ciftmpfd, "w+")) == NULL) {
                     fprintf(stderr,"Can't open temporary file %s.\n%s\n", ciftmp,strerror(errno));
 					error |= CBF_FILEOPEN;
                 }
-#endif
                 while ((nbytes = fread(buf, 1, C2CBUFSIZ, stdin))) {
                     if((size_t)nbytes != fwrite(buf, 1, nbytes, file)) {
                         fprintf(stderr,"Failed to write %s.\n", ciftmp);

examples/cif2c.c

@@ -309,9 +309,10 @@
 
 #define C2CBUFSIZ 8192
 
-#ifdef __MINGW32__
-#define NOMKSTEMP
-#define NOTMPDIR
+#ifndef HAVE_MKSTEMP
+#  define mkstemp _cbf_mkstemp
+int
+_cbf_mkstemp(char *templ);
 #endif
 
 
@@ -340,12 +341,7 @@ int main (int argc, char *argv [])
   int errflg = 0;
   const char *cifin, *codeout, *function_name;
   char ciftmp[19];
-#ifdef NOMKSTEMP
-  char *xciftmp;
-#endif
-#ifndef NOMKSTEMP
   int ciftmpfd;
-#endif
   int ciftmpused;
   unsigned int nbytes;
   char buf[C2CBUFSIZ];
@@ -434,23 +430,7 @@ int main (int argc, char *argv [])
     /* Read the cif */
 
    if (!cifin || strcmp(cifin?cifin:"","-") == 0) {
-#ifdef NOTMPDIR
-     strcpy(ciftmp, "cif2cXXXXXX");
-#else
      strcpy(ciftmp, "/tmp/cif2cXXXXXX");
-#endif
-#ifdef NOMKSTEMP
-     if ((xciftmp=mktemp(ciftmp)) == NULL ) {
-       fprintf(stderr,"\n cif2c: Can't create temporary file name %s.\n", ciftmp);
-       fprintf(stderr,"%s\n",strerror(errno));
-       exit(1);
-     }
-     if ( (file = fopen(ciftmp,"wb+")) == NULL) {
-       fprintf(stderr,"Can't open temporary file %s.\n", ciftmp);
-       fprintf(stderr,"%s\n",strerror(errno));
-       exit(1);     	
-     }
-#else
      if ((ciftmpfd = mkstemp(ciftmp)) == -1 ) {
        fprintf(stderr,"Can't create temporary file %s.\n", ciftmp);
        fprintf(stderr,"%s\n",strerror(errno));
@@ -461,7 +441,6 @@ int main (int argc, char *argv [])
        fprintf(stderr,"%s\n",strerror(errno));
        exit(1);
      }
-#endif
      while ((nbytes = fread(buf, 1, C2CBUFSIZ, stdin))) {
        if(nbytes != fwrite(buf, 1, nbytes, file)) {
          fprintf(stderr,"Failed to write %s.\n", ciftmp);

examples/cif2cbf.c

@@ -505,9 +505,10 @@
 #define C2CBUFSIZ 8192
 #define NUMDICTS 50
 
-#ifdef __MINGW32__
-#define NOMKSTEMP
-#define NOTMPDIR
+#ifndef HAVE_MKSTEMP
+#define mkstemp _cbf_mkstemp
+int
+_cbf_mkstemp(char *templ);
 #endif
 
 #define HDR_FINDDIMS    0x0040  /* On read, find header dims          */
@@ -826,9 +827,7 @@ int main (int argc, char *argv [])
     const char *dictionary[NUMDICTS];
     int dqrflags[NUMDICTS];
     char *ciftmp=NULL;
-#ifndef NOMKSTEMP
     int ciftmpfd;
-#endif
     int ciftmpused;
     int padflag;
     int dimflag;
@@ -1697,23 +1696,7 @@ int main (int argc, char *argv [])
 
     if (!cifin || strcmp(cifin?cifin:"","-") == 0) {
         ciftmp = (char *)malloc(strlen("/tmp/cif2cbfXXXXXX")+1);
-#ifdef NOTMPDIR
-        strcpy(ciftmp, "cif2cbfXXXXXX");
-#else
         strcpy(ciftmp, "/tmp/cif2cbfXXXXXX");
-#endif
-#ifdef NOMKSTEMP
-        if ((ciftmp = mktemp(ciftmp)) == NULL ) {
-            fprintf(stderr,"\n cif2cbf: Can't create temporary file name %s.\n", ciftmp);
-            fprintf(stderr,"%s\n",strerror(errno));
-            exit(1);
-        }
-        if ( (file = fopen(ciftmp,"wb+")) == NULL) {
-            fprintf(stderr,"Can't open temporary file %s.\n", ciftmp);
-            fprintf(stderr,"%s\n",strerror(errno));
-            exit(1);
-        }
-#else
         if ((ciftmpfd = mkstemp(ciftmp)) == -1 ) {
             fprintf(stderr,"\n cif2cbf: Can't create temporary file %s.\n", ciftmp);
             fprintf(stderr,"%s\n",strerror(errno));
@@ -1724,7 +1707,6 @@ int main (int argc, char *argv [])
             fprintf(stderr,"%s\n",strerror(errno));
             exit(1);
         }
-#endif
         while ((nbytes = fread(buf, 1, C2CBUFSIZ, stdin))) {
             if(nbytes != fwrite(buf, 1, nbytes, file)) {
                 fprintf(stderr,"Failed to write %s.\n", ciftmp);

examples/convert_image.c

@@ -309,6 +309,11 @@
 #  include <unistd.h>
 #endif
 
+#ifndef HAVE_MKSTEMP
+#  define mkstemp _cbf_mkstemp
+int
+_cbf_mkstemp(char *templ);
+#endif
 
 
 double rint(double);
@@ -526,7 +531,7 @@ int main (int argc, char *argv [])
   int copt;
   int errflg = 0;
   char * imgtmp=NULL;
-  int imgtmpused = 0;
+  int imgtmpfd = -1;
   const char *imgin, *cbfout, *template, *distancestr, *alias;
   cbf_detector detector;
   char *tag, *data, *root;
@@ -671,12 +676,13 @@ int main (int argc, char *argv [])
   if (!imgin || strcmp(imgin?imgin:"","-") == 0) {
      imgtmp = (char *)malloc(strlen("/tmp/cvt_imgXXXXXX")+1);
      strcpy(imgtmp, "/tmp/cvt_imgXXXXXX");
-     if ((imgin = mktemp(imgtmp)) == NULL ) {
+     if ((imgtmpfd = mkstemp(imgtmp)) == -1 ) {
        fprintf(stderr,"\n convert_image: Can't create temporary file name %s.\n", imgtmp);
        fprintf(stderr,"%s\n",strerror(errno));
        exit(1);
      }
-     imgtmpused = 1;
+     close(imgtmpfd);
+     imgin = imgtmp;
   }
 
     /* Read the image */
@@ -685,7 +691,7 @@ int main (int argc, char *argv [])
 
   cbf_failnez (img_read (img, imgin))
 
-  if (imgtmpused)
+  if (imgtmpfd != -1)
   {
        if (unlink(imgtmp) != 0 ) {
        fprintf(stderr," convert_image:  Can't unlink temporary file %s.\n", imgtmp);