1IM_UPDATEHIST(3)           Library Functions Manual           IM_UPDATEHIST(3)
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NAME

6       im_updatehist - appends a line of data to Hist
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SYNOPSIS

9       #include <vips/vips.h>
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11       int im_updatehist(image, argc, argv)
12       IMAGE *image;
13       int argc;
14       char *argv[];
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DESCRIPTION

17       im_updatehist(3) is called by the main program to update the history of
18       an image.
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20       The function appends to the Hist member of the IMAGE descriptor image a
21       string  with  argc,  argv and the time followed by a CR.  The arguments
22       argc and argv are taken directly from the main program.
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24       If for any reason Hist is NULL, then the program  makes  up  a  history
25       string  by  using  the filename of the image descriptor followed by CR.
26       This routine should be called by all main programs only, before  apply‐
27       ing im_close(3).
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RETURN VALUE

31       The function returns 0 on success and -1 on error.
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SEE ALSO

34       im_open(3), im_histlin(3).
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37       N. Dessipris - 23/04/1991
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AUTHOR

40       N. Dessipris 32/04/1991
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44                                 23 April 1991                IM_UPDATEHIST(3)
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