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inperrc.c: comments added, white spaces

This commit is contained in:
h_vogt 2013-08-27 09:25:57 +02:00 committed by rlar
parent 4524d514e1
commit 73bec459fa
1 changed files with 19 additions and 17 deletions
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36
src/spicelib/parser/inperrc.c
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@ -3,6 +3,10 @@ Copyright 1990 Regents of the University of California. All rights reserved.
Author: 1985 Thomas L. Quarles
**********/
/*
Concatenate two strings, which have to be defined on the heap.
If either is NULL, the other is returned. If both are defined,
a new string is malloced, they are combined, both input strings
are freed, and the new string is returned.
*/
#include "ngspice/ngspice.h"
@ -13,22 +17,20 @@ Author: 1985 Thomas L. Quarles
char *INPerrCat(char *a, char *b)
{
if (a != NULL) {
if (b == NULL) { /* a valid, b null, return a */
return (a);
} else { /* both valid - hard work... */
register char *errtmp;
errtmp =
TMALLOC(char, strlen(a) + strlen(b) + 2);
(void) strcpy(errtmp, a);
(void) strcat(errtmp, "\n");
(void) strcat(errtmp, b);
FREE(a);
FREE(b);
return (errtmp);
}
} else { /* a null, so return b */
return (b);
}
if (b == NULL) { /* a valid, b null, return a */
return (a);
} else { /* both valid - hard work... */
register char *errtmp;
errtmp =
TMALLOC(char, strlen(a) + strlen(b) + 2);
(void) strcpy(errtmp, a);
(void) strcat(errtmp, "\n");
(void) strcat(errtmp, b);
FREE(a);
FREE(b);
return (errtmp);
}
} else /* a null, so return b */
return (b);
}