| Revision: | 2.8 |
| Committed: | Sun Mar 28 20:33:12 2004 UTC (21 years, 1 month ago) by schorsch |
| Content type: | text/plain |
| Branch: | MAIN |
| CVS Tags: | rad5R4, rad5R2, rad4R2P2, rad5R0, rad5R1, rad3R7P2, rad3R7P1, rad4R2, rad4R1, rad4R0, rad3R6, rad3R6P1, rad3R8, rad3R9, rad4R2P1, rad5R3 |
| Changes since 2.7: | +2 -2 lines |
| Log Message: | Continued ANSIfication, and other fixes and clarifications. |
| # | User | Rev | Content |
|---|---|---|---|
| 1 | greg | 2.1 | #ifndef lint |
| 2 | schorsch | 2.8 | static const char RCSid[] = "$Id: fgetval.c,v 2.7 2003/06/27 22:27:45 greg Exp $"; |
| 3 | greg | 2.1 | #endif |
| 4 | /* | ||
| 5 | * Read white space separated values from stream | ||
| 6 | greg | 2.3 | * |
| 7 | greg | 2.6 | * External symbols declared in rtio.h |
| 8 | greg | 2.3 | */ |
| 9 | |||
| 10 | greg | 2.6 | #include "rtio.h" |
| 11 | greg | 2.1 | |
| 12 | greg | 2.7 | #include <stdlib.h> |
| 13 | greg | 2.1 | #include <math.h> |
| 14 | #include <ctype.h> | ||
| 15 | |||
| 16 | int | ||
| 17 | fgetval(fp, ty, vp) /* get specified data word */ | ||
| 18 | register FILE *fp; | ||
| 19 | int ty; | ||
| 20 | schorsch | 2.8 | void *vp; /* type depends on ty */ |
| 21 | greg | 2.1 | { |
| 22 | char wrd[64]; | ||
| 23 | register char *cp; | ||
| 24 | register int c; | ||
| 25 | /* elide comments (# to EOL) */ | ||
| 26 | do { | ||
| 27 | while ((c = getc(fp)) != EOF && isspace(c)) | ||
| 28 | ; | ||
| 29 | if (c == '#') | ||
| 30 | while ((c = getc(fp)) != EOF && c != '\n') | ||
| 31 | ; | ||
| 32 | } while (c == '\n'); | ||
| 33 | if (c == EOF) | ||
| 34 | return(EOF); | ||
| 35 | /* get word */ | ||
| 36 | cp = wrd; | ||
| 37 | do { | ||
| 38 | *cp++ = c; | ||
| 39 | if (cp - wrd >= sizeof(wrd)) | ||
| 40 | return(0); | ||
| 41 | } while ((c = getc(fp)) != EOF && !isspace(c) && c != '#'); | ||
| 42 | if (c != EOF) | ||
| 43 | ungetc(c, fp); | ||
| 44 | *cp = '\0'; | ||
| 45 | switch (ty) { /* check and convert it */ | ||
| 46 | case 'h': /* short */ | ||
| 47 | greg | 2.2 | if (!isint(wrd)) |
| 48 | greg | 2.1 | return(0); |
| 49 | *(short *)vp = c = atoi(wrd); | ||
| 50 | if (*(short *)vp != c) | ||
| 51 | return(0); | ||
| 52 | return(1); | ||
| 53 | case 'i': /* integer */ | ||
| 54 | greg | 2.2 | if (!isint(wrd)) |
| 55 | greg | 2.1 | return(0); |
| 56 | *(int *)vp = atoi(wrd); | ||
| 57 | return(1); | ||
| 58 | case 'l': /* long */ | ||
| 59 | greg | 2.2 | if (!isint(wrd)) |
| 60 | greg | 2.1 | return(0); |
| 61 | *(long *)vp = atol(wrd); | ||
| 62 | return(1); | ||
| 63 | case 'f': /* float */ | ||
| 64 | greg | 2.2 | if (!isflt(wrd)) |
| 65 | greg | 2.1 | return(0); |
| 66 | *(float *)vp = atof(wrd); | ||
| 67 | return(1); | ||
| 68 | case 'd': /* double */ | ||
| 69 | greg | 2.2 | if (!isflt(wrd)) |
| 70 | greg | 2.1 | return(0); |
| 71 | *(double *)vp = atof(wrd); | ||
| 72 | return(1); | ||
| 73 | case 's': /* string */ | ||
| 74 | strcpy(vp, wrd); | ||
| 75 | return(1); | ||
| 76 | default: /* unsupported type */ | ||
| 77 | return(0); | ||
| 78 | } | ||
| 79 | } |