forked from tTh/FloatImg
66 lines
1.3 KiB
C
66 lines
1.3 KiB
C
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#include <stdio.h>
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#include <string.h>
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#include "../floatimg.h"
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extern int verbosity; /* must be declared around main() */
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/* --------------------------------------------------------------------- */
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int parse_WxH(char *str, int *pw, int *ph)
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{
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// char *ptr;
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int foo, w, h;
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#if DEBUG_LEVEL
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fprintf(stderr, ">>> %s ( '%s' %p %p )\n", __func__,
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str, pw, ph);
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#endif
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foo = sscanf(str, "%dx%d", &w, &h);
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if (2 != foo) {
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fprintf(stderr, "%s : arg '%s' is invalid\n", __func__, str);
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return foo;
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}
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*pw = w; *ph = h;
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return 2;
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}
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/* --------------------------------------------------------------------- */
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int parse_double(char *str, double *dptr)
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{
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double value;
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int foo;
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foo = sscanf(str, "%lf", &value);
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if (1 == foo) {
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*dptr = value;
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return 1;
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}
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return -1;
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}
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/* --------------------------------------------------------------------- */
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int format_from_extension(char *fname)
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{
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char *cptr;
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cptr = rindex(fname, '.');
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if (NULL==cptr) {
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fprintf(stderr, "do dot in %s\n", fname);
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return -1;
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}
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#if DEBUG_LEVEL
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fprintf(stderr, "[%s] --> [%s]\n", fname, cptr);
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#endif
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if (!strcasecmp(cptr, ".pnm")) return FILE_TYPE_PNM;
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if (!strcasecmp(cptr, ".fimg")) return FILE_TYPE_FIMG;
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if (!strcasecmp(cptr, ".png")) return FILE_TYPE_PNG;
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return -1;
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}
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/* --------------------------------------------------------------------- */
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