Initial import

[samba] / source / popt / poptparse.c

diff --git a/source/popt/poptparse.c b/source/popt/poptparse.c
new file mode 100644 (file)
index 0000000..8f00769
--- /dev/null
+++ b/source/popt/poptparse.c
@@ -0,0 +1,102 @@
+/* (C) 1998 Red Hat Software, Inc. -- Licensing details are in the COPYING
+   file accompanying popt source distributions, available from 
+   ftp://ftp.redhat.com/pub/code/popt */
+
+#include "system.h"
+
+#define POPT_ARGV_ARRAY_GROW_DELTA 5
+
+int poptDupArgv(int argc, const char **argv,
+               int * argcPtr, const char *** argvPtr)
+{
+    size_t nb = (argc + 1) * sizeof(*argv);
+    const char ** argv2;
+    char * dst;
+    int i;
+
+    for (i = 0; i < argc; i++) {
+       if (argv[i] == NULL)
+           return POPT_ERROR_NOARG;
+       nb += strlen(argv[i]) + 1;
+    }
+       
+    dst = malloc(nb);
+    argv2 = (void *) dst;
+    dst += (argc + 1) * sizeof(*argv);
+
+    for (i = 0; i < argc; i++) {
+       argv2[i] = dst;
+       dst += strlen(strcpy(dst, argv[i])) + 1;
+    }
+    argv2[argc] = NULL;
+
+    *argvPtr = argv2;
+    *argcPtr = argc;
+    return 0;
+}
+
+int poptParseArgvString(const char * s, int * argcPtr, const char *** argvPtr)
+{
+    const char * src;
+    char quote = '\0';
+    int argvAlloced = POPT_ARGV_ARRAY_GROW_DELTA;
+    const char ** argv = malloc(sizeof(*argv) * argvAlloced);
+    int argc = 0;
+    int buflen = strlen(s) + 1;
+    char *buf0 = calloc(buflen, 1);
+    char *buf = buf0;
+
+    argv[argc] = buf;
+
+    for (src = s; *src; src++) {
+       if (quote == *src) {
+           quote = '\0';
+       } else if (quote) {
+           if (*src == '\\') {
+               src++;
+               if (!*src) {
+                   free(argv);
+                   free(buf0);
+                   return POPT_ERROR_BADQUOTE;
+               }
+               if (*src != quote) *buf++ = '\\';
+           }
+           *buf++ = *src;
+       } else if (isspace(*src)) {
+           if (*argv[argc]) {
+               buf++, argc++;
+               if (argc == argvAlloced) {
+                   argvAlloced += POPT_ARGV_ARRAY_GROW_DELTA;
+                   argv = realloc(argv, sizeof(*argv) * argvAlloced);
+               }
+               argv[argc] = buf;
+           }
+       } else switch (*src) {
+         case '"':
+         case '\'':
+           quote = *src;
+           break;
+         case '\\':
+           src++;
+           if (!*src) {
+               free(argv);
+               free(buf0);
+               return POPT_ERROR_BADQUOTE;
+           }
+           /*@fallthrough@*/
+         default:
+           *buf++ = *src;
+           break;
+       }
+    }
+
+    if (strlen(argv[argc])) {
+       argc++, buf++;
+    }
+
+    (void) poptDupArgv(argc, argv, argcPtr, argvPtr);
+
+    free(argv);
+    free(buf0);
+    return 0;
+}