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Update iohb.c to use snprintf #438

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Merged
jeremy-murphy merged 1 commit into from
Aug 25, 2025
Merged

Update iohb.c to use snprintf #438

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20 changes: 10 additions & 10 deletions example/iohb.c
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Original file line number Diff line number Diff line change
Expand Up @@ -778,13 +778,13 @@ int writeHB_mat_double(const char* filename, int M, int N,

if ( Ptrfmt == NULL ) Ptrfmt = "(8I10)";
ParseIfmt(Ptrfmt,&Ptrperline,&Ptrwidth);
sprintf(pformat,"%%%dd",Ptrwidth);
snprintf(pformat, sizeof(pformat), "%%%dd", Ptrwidth);
ptrcrd = (N+1)/Ptrperline;
if ( (N+1)%Ptrperline != 0) ptrcrd++;

if ( Indfmt == NULL ) Indfmt = Ptrfmt;
ParseIfmt(Indfmt,&Indperline,&Indwidth);
sprintf(iformat,"%%%dd",Indwidth);
snprintf(iformat, sizeof(iformat), "%%%dd", Indwidth);
indcrd = nz/Indperline;
if ( nz%Indperline != 0) indcrd++;

Expand All @@ -793,9 +793,9 @@ int writeHB_mat_double(const char* filename, int M, int N,
ParseRfmt(Valfmt,&Valperline,&Valwidth,&Valprec,&Valflag);
if (Valflag == 'D') *strchr(Valfmt,'D') = 'E';
if (Valflag == 'F')
sprintf(vformat,"%% %d.%df",Valwidth,Valprec);
snprintf(vformat, sizeof(vformat), "%% %d.%df", Valwidth, Valprec);
else
sprintf(vformat,"%% %d.%dE",Valwidth,Valprec);
snprintf(vformat, sizeof(vformat), "%% %d.%dE", Valwidth, Valprec);
valcrd = nvalentries/Valperline;
if ( nvalentries%Valperline != 0) valcrd++;
} else valcrd = 0;
Expand All @@ -804,9 +804,9 @@ int writeHB_mat_double(const char* filename, int M, int N,
if ( Rhsfmt == NULL ) Rhsfmt = Valfmt;
ParseRfmt(Rhsfmt,&Rhsperline,&Rhswidth,&Rhsprec, &Rhsflag);
if (Rhsflag == 'F')
sprintf(rformat,"%% %d.%df",Rhswidth,Rhsprec);
snprintf(rformat, sizeof(rformat), "%% %d.%df", Rhswidth, Rhsprec);
else
sprintf(rformat,"%% %d.%dE",Rhswidth,Rhsprec);
snprintf(rformat, sizeof(rformat), "%% %d.%dE", Rhswidth, Rhsprec);
if (Rhsflag == 'D') *strchr(Rhsfmt,'D') = 'E';
rhscrd = nrhsentries/Rhsperline;
if ( nrhsentries%Rhsperline != 0) rhscrd++;
Expand Down Expand Up @@ -1361,16 +1361,16 @@ int writeHB_mat_char(const char* filename, int M, int N,

if ( Ptrfmt == NULL ) Ptrfmt = "(8I10)";
ParseIfmt(Ptrfmt,&Ptrperline,&Ptrwidth);
sprintf(pformat,"%%%dd",Ptrwidth);
snprintf(pformat, sizeof(pformat), "%%%dd", Ptrwidth);

if ( Indfmt == NULL ) Indfmt = Ptrfmt;
ParseIfmt(Indfmt,&Indperline,&Indwidth);
sprintf(iformat,"%%%dd",Indwidth);
snprintf(iformat, sizeof(iformat), "%%%dd", Indwidth);

if ( Type[0] != 'P' ) { /* Skip if pattern only */
if ( Valfmt == NULL ) Valfmt = "(4E20.13)";
ParseRfmt(Valfmt,&Valperline,&Valwidth,&Valprec,&Valflag);
sprintf(vformat,"%%%ds",Valwidth);
snprintf(vformat, sizeof(vformat), "%%%ds", Valwidth);
}

ptrcrd = (N+1)/Ptrperline;
Expand All @@ -1385,7 +1385,7 @@ int writeHB_mat_char(const char* filename, int M, int N,
if ( Nrhs > 0 ) {
if ( Rhsfmt == NULL ) Rhsfmt = Valfmt;
ParseRfmt(Rhsfmt,&Rhsperline,&Rhswidth,&Rhsprec, &Rhsflag);
sprintf(rformat,"%%%ds",Rhswidth);
snprintf(rformat, sizeof(rformat), "%%%ds", Rhswidth);
rhscrd = nrhsentries/Rhsperline;
if ( nrhsentries%Rhsperline != 0) rhscrd++;
if ( Rhstype[1] == 'G' ) rhscrd+=rhscrd;
Expand Down
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